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PowerShell (POSH) is a a task automation command-line shell and scripting language created by Microsoft. It became part of the FOSS community in 2016 and is now available across Windows, Linux, and macOS

Resources:

Install PowerShell – Instructions for Windows, Linux, and macOS
PowerShell Galley Your one-stop shop community and Microsoft modules.
PowerShell Repository – View the PowerShell source code, report issues, or contribute to the project yourself.
PowerShell Community Call – Hear from and talk directly to the product team on the 3rd Thursday of every month
PowerShell in Visual Studio Code – It’s time to say goodbye to ISE

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PowerShell Weekly for December 5, 2025 (programming.dev)

submitted 1 month ago by pwshguy@programming.dev to c/powershell@programming.dev

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Blogs, Articles, and Posts

App-Only Authentication for SharePoint Online PowerShell
The latest versions of the SharePoint Online PowerShell module support app-only authentication (certificate-based authentication) for the Connect-SPOService cmdlet. In other words, applications can now connect to SharePoint Online to run administrative cmdlets by presenting a registered Entra ID app and an X.509 certificate instead of the credentials for a human SharePoint administrator. It’s a good change, even if I still prefer using the Graph APIs for SharePoint automation.
Using the POSH-SYSLOG PowerShell module for logging
In my home network, I run a Graylog Syslog instance in Docker for logging network and Linux events. But you can also log events from PowerShell scripts to Syslog for easy filtering or correlation. In this blog post, I will show you how that works.

Projects, Scripts, and Modules

rs-devtools
Various tools I made to automate very niche gamedev & media manipulation tasks
PSIntro
A welcome screen for PowerShell and a set of brief tutorials designed for absolute beginners. The module also includes a few commands to help absolute PowerShell beginners manage their environment.
GitHubBlueSky.ps1
Get a GitHub user's BlueSky
PSRainbow 1.1.0
Provides a library of 24-bit colors that can be used in PowerShell scripts.

Books, Media, and Learning Resources

PoshBytes: Numeric Precision in PowerShell
In this PoshBytes short you will see how PowerShell can silently lose precision when big integer math is promoted to double and how using the right numeric types and decimal literals helps keep your results exact.
PowerShell 7 Fundamentals
More and more we turn to automation in IT to help improve efficiency for our day to day operations. PowerShell has always been at the forefront of automation tools. The courses in this path start with the absolute basics of PowerShell so that you can learn how to automate away your problems from the ground up. You’ll begin with installation before moving on to exploration of the PowerShell language and using your acquired skills to perform tasks from your day to day operations. Finally, you’ll get a taste of writing actual PowerShell scripts to round out your automation skills and toolset.

Community

Free Security Wins for Sysadmins with Spencer Alessi
Newly minted Microsoft MVP, pentester, and returning guest Spencer Alessi joins The PowerShell Podcast to talk about growth, giving back, and building security through PowerShell. Spencer shares lessons from his journey from sysadmin to pen tester, including the importance of learning from mistakes, documenting wins, and advocating for yourself in your career. He also introduces his latest open-source project, AppLocker Inspector, and discusses tools like Locksmith, Pink Castle, and Purple Knight that help IT pros secure their environments and build confidence in automation and defense.

Fun

Advent of Code 2025
Advent of Code is an Advent calendar of small programming puzzles for a variety of skill levels that can be solved in any programming language you like. People use them as interview prep, company training, university coursework, practice problems, a speed contest, or to challenge each other.

Events

PowerShell + DevOps Global Summit 2026
April 13-17, 2026 in Bellevue, WA
PSConfEU 2026 Call for Speakers
Call closed 14 Dec 2025 - This time it will be held in Wiesbaden, Germany. June 1-4, 2026

Check out psweekly.dowst.dev for all past editions as well as a searchable archive.

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